Year	current US$
1970	1940000.0572204601
1971	5760000.228881841
1972	9149999.61853027
1973	9369999.88555908
1974	11369999.8855591
1975	6599999.90463257
1976	10470000.2670288
1977	15409999.8474121
1978	26479999.5422363
1979	28430000.3051758
1980	32009998.321533203
1981	57529998.779296905
1982	35119998.9318848
1983	35500000
1984	38009998.3215332
1985	34340000.1525879
1986	22639999.3896484
1987	69639999.3896484
1988	77239997.8637695
1989	65279998.779296905
1990	47900001.5258789
1991	289950012.207031
1992	72290000.9155273
1993	57369998.9318848
1994	136470001.220703
1995	94260002.1362305
1996	97879997.253418
1997	196960006.71386698
1998	189820007.32421902
1999	150850006.10351598
2000	72500000
2001	70970001.2207031
2002	44189998.626709
2003	58830001.8310547
2004	183899993.89648402
2005	182830001.831055
2006	228470001.220703
2007	220660003.66210902
2008	203630004.882813
2009	204679992.67578098
2010	136860000.61035198
2011	67559997.55859381
2012	769429992.675781
2013	-1909999.9666214
2014	305890014.64843804
2015	147539993.28613302
2016	309559997.558594
2017	109919998.168945
2018	276809997.558594
2019	544830017.089844
2020	820280029.296875
2021	2075610107.42188
2022	98290000.9155273